Incorporating daily puzzle games into a child's routine can dramatically improve their mathematical fluency. This method not ...

The NYT Mini crossword might be a lot smaller than a normal crossword, but it isn't easy. If you're stuck with today's crossword, we've got answers for you.

(And adults, of course!) These math puzzles test your brain and critical-thinking skills and provide some constructive, ...

Find answers to the latest online sudoku and crossword puzzles that were published in USA TODAY Network's local newspapers.

This is similar to the way some physical systems undergo a phase transition – but compared to them, these puzzles may be mathematically unique. While solving a crossword one day, Alexander ...

Editor in chief Nancy Shute discusses the audacious ways scientists are considering to combat Earth's rising sea levels.